Note 5 - Balance Sheet Details (Tables)

12 Months Ended

Mar. 30, 2014

Disclosure Text Block Supplement [Abstract]

Property, Plant and Equipment [Table Text Block]

	March 30, 2014			March 31, 2013
Land	$	6,660		$	6,660
Building		16,787			16,224
Machinery and equipment		40,675			42,258
Software and licenses		17,549			17,566
Property, plant and equipment, total		81,671			82,708
Accumulated depreciation and amortization		(60,391	)		(58,608	)
Total property, plant and equipment, net	$	21,280		$	24,100

Schedule of Inventory, Current [Table Text Block]

	March 30, 2014		March 31, 2013
Work-in-progress and raw materials	$	13,555	$	9,981
Finished goods		15,427		9,449
Total inventories	$	28,982	$	19,430

Other Current Liabilities [Table Text Block]

	March 30, 2014		March 31, 2013
Short-term lease financing obligations	$	2,671	$	3,189
Accrued restructuring charges and exit costs		2,214		2,020
Accrued manufacturing expenses, royalties and licenses		1,639		2,370
Accrued legal and professional services		1,453		746
Purchase consideration holdback		1,256		—
Accrued sales and marketing expenses		666		576
Fair value of earn out liability – short-term		490		2,599
Accrual for dispute resolution		—		2,727
Other		981		988
Total other current liabilities	$	11,370	$	15,215

Other Noncurrent Liabilities [Table Text Block]

	March 30, 2014		March 31, 2013
Fair value of earn out liability – long-term	$	3,853	$	7,539
Accrued retention bonus		1,181		—
Long-term taxes payable		794		2,225
Deferred tax liability		614		145
Accrued restructuring charges and exit costs		155		1,266
Other		29		29
Total other non-current obligations	$	6,626	$	11,204